11428400

素因数分解:

$2^4\times 5^2\times {\mathrm{28571}}^1$

素因数の和:28589

約数の個数: 30

約数和(自身を含む): 27457692

約数和(自身を除く): 16029292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 28571, 57142, 114284, 142855, 228568, 285710, 457136, 571420, 714275, 1142840, 1428550, 2285680, 2857100, 5714200, 11428400]

約数ペア:

[(1, 11428400), (2, 5714200), (4, 2857100), (5, 2285680), (8, 1428550), (10, 1142840), (16, 714275), (20, 571420), (25, 457136), (40, 285710), (50, 228568), (80, 142855), (100, 114284), (200, 57142), (400, 28571)]